3678736408 has 16 divisors (see below), whose sum is σ = 6917400000. Its totient is φ = 1834096416.

The previous prime is 3678736393. The next prime is 3678736423. The reversal of 3678736408 is 8046378763.

It is an interprime number because it is at equal distance from previous prime (3678736393) and next prime (3678736423).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 656008 + ... + 661591.

It is an arithmetic number, because the mean of its divisors is an integer number (432337500).

Almost surely, 2^3678736408 is an apocalyptic number.

It is an amenable number.

3678736408 is a deficient number, since it is larger than the sum of its proper divisors (3238663592).

3678736408 is a wasteful number, since it uses less digits than its factorization.

3678736408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317954 (or 1317950 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 52.

The square root of 3678736408 is about 60652.5878095898. The cubic root of 3678736408 is about 1543.7117986515.

The spelling of 3678736408 in words is "three billion, six hundred seventy-eight million, seven hundred thirty-six thousand, four hundred eight".